This signature file may be used to cryptographically verify file integrity, like this:: $ gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify debian-7-turnkey-canvas_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 08:40:16 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 7c136c72e833328b4e0ec2106072803043546616 * md5sum 6d4865c1a078a3929aa0578fdd8f4270 You can calculate these on your end and compare to check for errors, but cryptographic verification is recommended for security reasons. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXlDbAAoJEIXCXpWhbrlNSz0H/3kKQ1Fxyk9kspVwdPqIu9Ff xSfNxUUkq3JPpvk0qe0xlAthMisXzUYqviawFgQrhn9N9IhsndRdzBqjupiT/7UO 6toPh/Yf5wybQb2UFIswyDhiaLG1QYIgO0U90n2xHAvf0xyj5R0XuMSgthuc3tQT Qx1LEYeh4/HZzxGZzhAmx11kGuFD5pIJ2yk6xNnL1jPE+yMD4rVVHyzD4eTNdD9v xZndrAjBmL9R54KVH9G0R9BzXZ/5DWKgwDSIICdhL/WGDIHrrwwsmKNJr++YhtNG zfGg7qXG3u1Ey2GARqTVakbQu0XSmqonsIS3hdz4ApkHsVmM3Y+2Zhz/8rUJb5w= =nKBs -----END PGP SIGNATURE-----